From b6a2ba77d8842784d7c08493108d009ae42cae1b Mon Sep 17 00:00:00 2001 From: Miguel Sofer Date: Fri, 24 Aug 2007 11:22:50 +0000 Subject: * generic/tclCompile.c: replaced copy loop that tripped some compilers with memmove [Bug 1780870] --- ChangeLog | 5 +++++ generic/tclCompile.c | 10 +++++----- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/ChangeLog b/ChangeLog index 8f5bac4..d8ed2ee 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2007-08-24 Miguel Sofer + + * generic/tclCompile.c: replaced copy loop that tripped some + compilers with memmove [Bug 1780870] + 2007-08-23 Don Porter * library/init.tcl ([auto_load_index]): Delete stray "]" that created diff --git a/generic/tclCompile.c b/generic/tclCompile.c index de7f4c2..eaf8514 100644 --- a/generic/tclCompile.c +++ b/generic/tclCompile.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclCompile.c,v 1.125 2007/07/31 17:03:37 msofer Exp $ + * RCS: @(#) $Id: tclCompile.c,v 1.126 2007/08/24 11:22:51 msofer Exp $ */ #include "tclInt.h" @@ -2797,10 +2797,10 @@ TclFixupForwardJump( TclExpandCodeArray(envPtr); } jumpPc = (envPtr->codeStart + jumpFixupPtr->codeOffset); - for (numBytes = envPtr->codeNext-jumpPc-2, p = jumpPc+2+numBytes-1; - numBytes > 0; numBytes--, p--) { - p[3] = p[0]; - } + numBytes = envPtr->codeNext-jumpPc-2; + p = jumpPc+2; + memmove(p+3, p, numBytes); + envPtr->codeNext += 3; jumpDist += 3; switch (jumpFixupPtr->jumpType) { -- cgit v0.12